022dee1625c30fc17cfc0be7681c1866968c07378d14426da47e641caacdf00d

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29/01/2024, 17:16

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General

Target

af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
Size

216KB
MD5

3b957a9f74d88a952a5b5bb187e012bb
SHA1

7d3a1d8a9b61eb9a93ad8b32f90db48f05e1e168
SHA256

022dee1625c30fc17cfc0be7681c1866968c07378d14426da47e641caacdf00d
SHA512

401cd8b27d1196fbb9ffd4082219f2c8eda07864e67be3c8d3c5e7bbc40c622797314d0d3ed4be9d185b5ed8e6a48b951c66ea08e9718e12b3cf9dba6f9aa574
SSDEEP

3072:m17DaAz38w3vM7F6PFwgBZTGFKQ+avVe+gGooSlFC2OLKKZAFEMpo4Iv1k:Gb8FF6Pf2KQ+aVB2fJqh4Id

Score

9^/10

ransomware

Malware Config

Signatures

Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1070.004

Inhibit System Recovery
T1490
Renames multiple (316) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	\??\M:\$RECYCLE.BIN\S-1-5-21-3308111660-3636268597-2291490419-1000\desktop.ini	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\G:	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
File opened (read-only)	\??\E:	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
File opened (read-only)	\??\Y:	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
File opened (read-only)	\??\P:	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
File opened (read-only)	\??\S:	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
File opened (read-only)	\??\H:	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
File opened (read-only)	\??\K:	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
File opened (read-only)	\??\Z:	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
File opened (read-only)	\??\X:	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
File opened (read-only)	\??\T:	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
File opened (read-only)	\??\N:	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
File opened (read-only)	\??\U:	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
File opened (read-only)	\??\O:	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
File opened (read-only)	\??\B:	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
File opened (read-only)	\??\M:	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
File opened (read-only)	\??\W:	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
File opened (read-only)	\??\R:	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
File opened (read-only)	\??\I:	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
File opened (read-only)	\??\A:	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
File opened (read-only)	\??\J:	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
File opened (read-only)	\??\L:	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
File opened (read-only)	\??\V:	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
File opened (read-only)	\??\Q:	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe

Modifies boot configuration data using bcdedit 4 IoCs

pid	Process
748	bcdedit.exe
1708	bcdedit.exe
2628	bcdedit.exe
2760	bcdedit.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\readme.bmp"	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Interacts with shadow copies 2 TTPs 2 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1070.004

Inhibit System Recovery

T1490

pid	Process
2884	vssadmin.exe
320	vssadmin.exe

Modifies Control Panel 2 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Control Panel\Desktop\WallpaperStyle = "0"	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Control Panel\Desktop\TileWallpaper = "0"	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2652	WMIC.exe
Token: SeSecurityPrivilege	2652	WMIC.exe
Token: SeTakeOwnershipPrivilege	2652	WMIC.exe
Token: SeLoadDriverPrivilege	2652	WMIC.exe
Token: SeSystemProfilePrivilege	2652	WMIC.exe
Token: SeSystemtimePrivilege	2652	WMIC.exe
Token: SeProfSingleProcessPrivilege	2652	WMIC.exe
Token: SeIncBasePriorityPrivilege	2652	WMIC.exe
Token: SeCreatePagefilePrivilege	2652	WMIC.exe
Token: SeBackupPrivilege	2652	WMIC.exe
Token: SeRestorePrivilege	2652	WMIC.exe
Token: SeShutdownPrivilege	2652	WMIC.exe
Token: SeDebugPrivilege	2652	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2652	WMIC.exe
Token: SeRemoteShutdownPrivilege	2652	WMIC.exe
Token: SeUndockPrivilege	2652	WMIC.exe
Token: SeManageVolumePrivilege	2652	WMIC.exe
Token: 33	2652	WMIC.exe
Token: 34	2652	WMIC.exe
Token: 35	2652	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2652	WMIC.exe
Token: SeSecurityPrivilege	2652	WMIC.exe
Token: SeTakeOwnershipPrivilege	2652	WMIC.exe
Token: SeLoadDriverPrivilege	2652	WMIC.exe
Token: SeSystemProfilePrivilege	2652	WMIC.exe
Token: SeSystemtimePrivilege	2652	WMIC.exe
Token: SeProfSingleProcessPrivilege	2652	WMIC.exe
Token: SeIncBasePriorityPrivilege	2652	WMIC.exe
Token: SeCreatePagefilePrivilege	2652	WMIC.exe
Token: SeBackupPrivilege	2652	WMIC.exe
Token: SeRestorePrivilege	2652	WMIC.exe
Token: SeShutdownPrivilege	2652	WMIC.exe
Token: SeDebugPrivilege	2652	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2652	WMIC.exe
Token: SeRemoteShutdownPrivilege	2652	WMIC.exe
Token: SeUndockPrivilege	2652	WMIC.exe
Token: SeManageVolumePrivilege	2652	WMIC.exe
Token: 33	2652	WMIC.exe
Token: 34	2652	WMIC.exe
Token: 35	2652	WMIC.exe
Token: SeBackupPrivilege	1260	vssvc.exe
Token: SeRestorePrivilege	1260	vssvc.exe
Token: SeAuditPrivilege	1260	vssvc.exe
Token: SeIncreaseQuotaPrivilege	2732	WMIC.exe
Token: SeSecurityPrivilege	2732	WMIC.exe
Token: SeTakeOwnershipPrivilege	2732	WMIC.exe
Token: SeLoadDriverPrivilege	2732	WMIC.exe
Token: SeSystemProfilePrivilege	2732	WMIC.exe
Token: SeSystemtimePrivilege	2732	WMIC.exe
Token: SeProfSingleProcessPrivilege	2732	WMIC.exe
Token: SeIncBasePriorityPrivilege	2732	WMIC.exe
Token: SeCreatePagefilePrivilege	2732	WMIC.exe
Token: SeBackupPrivilege	2732	WMIC.exe
Token: SeRestorePrivilege	2732	WMIC.exe
Token: SeShutdownPrivilege	2732	WMIC.exe
Token: SeDebugPrivilege	2732	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2732	WMIC.exe
Token: SeRemoteShutdownPrivilege	2732	WMIC.exe
Token: SeUndockPrivilege	2732	WMIC.exe
Token: SeManageVolumePrivilege	2732	WMIC.exe
Token: 33	2732	WMIC.exe
Token: 34	2732	WMIC.exe
Token: 35	2732	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2732	WMIC.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2980	3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe	29
PID 3044 wrote to memory of 2980	3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe	29
PID 3044 wrote to memory of 2980	3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe	29
PID 3044 wrote to memory of 2744	3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe	30
PID 3044 wrote to memory of 2744	3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe	30
PID 3044 wrote to memory of 2744	3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe	30
PID 3044 wrote to memory of 2132	3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe	31
PID 3044 wrote to memory of 2132	3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe	31
PID 3044 wrote to memory of 2132	3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe	31
PID 3044 wrote to memory of 2656	3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe	32
PID 3044 wrote to memory of 2656	3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe	32
PID 3044 wrote to memory of 2656	3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe	32
PID 2980 wrote to memory of 2884	2980	cmd.exe	37
PID 2980 wrote to memory of 2884	2980	cmd.exe	37
PID 2980 wrote to memory of 2884	2980	cmd.exe	37
PID 2744 wrote to memory of 2652	2744	cmd.exe	38
PID 2744 wrote to memory of 2652	2744	cmd.exe	38
PID 2744 wrote to memory of 2652	2744	cmd.exe	38
PID 2132 wrote to memory of 748	2132	cmd.exe	40
PID 2132 wrote to memory of 748	2132	cmd.exe	40
PID 2132 wrote to memory of 748	2132	cmd.exe	40
PID 2656 wrote to memory of 1708	2656	cmd.exe	41
PID 2656 wrote to memory of 1708	2656	cmd.exe	41
PID 2656 wrote to memory of 1708	2656	cmd.exe	41
PID 3044 wrote to memory of 2088	3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe	46
PID 3044 wrote to memory of 2088	3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe	46
PID 3044 wrote to memory of 2088	3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe	46
PID 3044 wrote to memory of 2916	3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe	48
PID 3044 wrote to memory of 2916	3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe	48
PID 3044 wrote to memory of 2916	3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe	48
PID 3044 wrote to memory of 2888	3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe	49
PID 3044 wrote to memory of 2888	3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe	49
PID 3044 wrote to memory of 2888	3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe	49
PID 3044 wrote to memory of 2912	3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe	50
PID 3044 wrote to memory of 2912	3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe	50
PID 3044 wrote to memory of 2912	3044	af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe	50
PID 2088 wrote to memory of 320	2088	cmd.exe	54
PID 2088 wrote to memory of 320	2088	cmd.exe	54
PID 2088 wrote to memory of 320	2088	cmd.exe	54
PID 2912 wrote to memory of 2760	2912	cmd.exe	56
PID 2912 wrote to memory of 2760	2912	cmd.exe	56
PID 2912 wrote to memory of 2760	2912	cmd.exe	56
PID 2888 wrote to memory of 2628	2888	cmd.exe	55
PID 2888 wrote to memory of 2628	2888	cmd.exe	55
PID 2888 wrote to memory of 2628	2888	cmd.exe	55
PID 2916 wrote to memory of 2732	2916	cmd.exe	57
PID 2916 wrote to memory of 2732	2916	cmd.exe	57
PID 2916 wrote to memory of 2732	2916	cmd.exe	57

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe
"C:\Users\Admin\AppData\Local\Temp\af38ed0887dd21b6fc1563d9f640086e9902434b50b66833136348e334cba4cf.exe"
1⤵
- Drops desktop.ini file(s)
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2980
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:2884
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c wmic SHADOWCOPY DELETE
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic SHADOWCOPY DELETE
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2652
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } recoveryenabled No
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2132
- - C:\Windows\system32\bcdedit.exe
    bcdedit / set{ default } recoveryenabled No
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:748
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } bootstatuspolicy ignoreallfailures
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2656
- - C:\Windows\system32\bcdedit.exe
    bcdedit / set{ default } bootstatuspolicy ignoreallfailures
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:1708
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2088
- - C:\Windows\system32\vssadmin.exe
    vssadmin.exe delete shadows /all /quiet
    3⤵
    - Interacts with shadow copies
    PID:320
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c wmic SHADOWCOPY DELETE
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2916
- - C:\Windows\System32\Wbem\WMIC.exe
    wmic SHADOWCOPY DELETE
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2732
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } recoveryenabled No
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2888
- - C:\Windows\system32\bcdedit.exe
    bcdedit / set{ default } recoveryenabled No
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:2628
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } bootstatuspolicy ignoreallfailures
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2912
- - C:\Windows\system32\bcdedit.exe
    bcdedit / set{ default } bootstatuspolicy ignoreallfailures
    3⤵
    - Modifies boot configuration data using bcdedit
    PID:2760

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1260

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

T1491

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

C:\ProgramData\Adobe\Updater6\WhatHappened.txt

Filesize
1KB

MD5
b05e32b7e78e82f01f6f0c7d1411ee67

SHA1
2e1dda46f8561858b378d19a24b839062f794274

SHA256
f058bc2a88431119f286f2708751f25449dc1d58e1c87de3bb38aff764c814a8

SHA512
6cb7c842a48b9f982ac87280ded95e206e2b9055f9f51ea84f6060470a61a35decbb688650c0d6b7c318df018078af0c0a1afe0ce65db1b460d75ae7800e2d3c

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